Kirsten M. "Kiwi" Smith (born August 12, 1970) is an American screenwriter and novelist whose credits include Legally Blonde and Ella Enchanted.

Kirsten M. Smith[1] was born, 12 August 1970, in Contra Costa County, California and grew up in San Pedro, Los Angeles, on a sailboat, without TV, and spent much of her childhood writing.

The two women formed a friendship over the phone, and when McCullah came to Los Angeles, they met in person, and began writing their first script on cocktail napkins that night.

In the writing process for 10 Things, Smith was eager to add feminism and post-feminism from her women's studies classes into the movie's context and had wanted more of a riot grrrl sound for the soundtrack.

The coming-of-age story of a teenage girl growing up in the Pacific Northwest, it contains a smattering of the poems Smith wrote and published in her early twenties.

[8] In 2009, she co-wrote The Ugly Truth, directed by Legally Blonde collaborator Robert Luketic and starring Katherine Heigl and Gerard Butler.

[9][10] Smith has also created the graphic novel series Misfit City alongside fellow writer Kurt Lustgarten and illustrator Naomi Franquiz.